Synopsis
Master's Thesis from the year 2014 in the subject Electrotechnology, grade: Master degree, Hohai University (College of Energy and Electrical Engineering), course: Power Electronics, language: English, abstract: This study employs a buck ZCS (PWM) converter and develops a novel soft-switching approach for charger batteries. This thesis presents technique for battery charger to achieve efficient performance in charging shaping, minimum low switching losses and reduction in circuit volume. The operation of circuit charger is switched with the operation of zero-current-switching, resonant components and appends the topology of dc-dc buck. The proposed novel dc-dc battery charger has advantages with the simplicity, low cost, high efficiency and the behavior of easy control under the ZCS condition accordingly reducing the switching losses. The detailed study of operating principle and circuit design consideration is performed. A short survey of battery charging system, capacity demand & its topological is also presented. In order to compute LC resonant pair values in conventional converter, the method of characteristic curve is used and electric function equations are derived from the prototype configuration. The efficient performance of charging shaping is confirmed through the practical examines and verification of the results is revealed by the MATLAB simulation. The efficiency is ensured about 89% which is substantially considered being satisfactory performance as achieved in this paper. The proposed novel ZCS buck topology thus provides a reliable solution for future battery charger applications.
About the Author
Irfan Jamil was born in Punjab province, City Multan, Pakistan on Feb 25, 1987. Currently, he is pursuing a Ph.D degree as a MEXT scholar from Kyushu University, Japan and also earning joint PhD program from Hohai University, Nanjing, China. He received his master degree from Hohai University. He did his master research work as a Visiting Research Scholar at Tsinghua University, Beijing from 2012-2013 under the project No. is 2012AA050215 National High-Tech R&D Program (863 Program) of P.R China. He has been published 20 research papers and 8 e-books in referring international journals including IEEE conference during the period of master degree program from 2011-2013. He is registered member in Chinese Society for Electrical Engineers (CSEE), National Society of Professional Engineers (NSPE), International Association of Engineers (IAENG), Universal Association of Computer and Electronics Engineers (UACEE), Institute of Healthcare Engineering and Estate Management (IHEEM) and American Society of Mechanical Engineers (ASME). He is also an editorial board of committee in International Journal of Innovation and Applied Studies (ISSR) and in World Academy of Science, Engineering and Technology (WASET). He is an editorial board member of Smart Science (TAETI Academic Publisher). He is also founder of Kambohwell Publisher Enterprises (www.kwpublisher.com). His research interest Involves in Power Electronics and Power System Automation. These days, He is working as a Project Manager in TBEA Xinjiang SunOasis Co., Ltd in 100MW Quaid-e-Azam Solar Power Plant Bahawalpur, Pakistan.
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